amazonicus, Dysichthys Mees [G. F.] 1989:241, Fig. 21 [Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen (Series C, Biological and Medical Sciences) v. 92 (no. 2); ref. 13383] Creek near Todos Santos, upper course of Río Mamoré, Cochabamba, Bolivia. Holotype: ZMA 109264 (larger specimen). Paratypes: BMNH 1938.3.31.34 (2); MCZ 7968 (1), 7979-80 (6, 1); NMW 47618 (1); MZUSP 9678 (3), 27628 (1); ZMA 109264 (smaller specimen), 114217 (1). Type catalog: Ferraris 2007:59 [ref. 29155]. •Valid as Dysichthys amazonicus Mees 1989 -- (Burgess & Finley 1996:167 [ref. 22901]). •Valid as Bunocephalus amazonicus (Mees 1989) -- (Friel in Reis et al. 2003:262 [ref. 27061], Ferraris 2007:59 [ref. 29155]). •Valid as Pseudobunocephalus amazonicus (Mees 1989) -- (Friel 2008:294 [ref. 29834], Barriga Salazar 2014:110 [ref. 35745], Sarmiento et al. 2014:189 [ref. 35004], DoNascimiento et al. 2017:85 [ref. 35633], Leão et al. 2019:119 [ref. 36648], Meza-Vargas et al. 2021:24 [ref. 39298]). Current status: Valid as Pseudobunocephalus amazonicus (Mees 1989). Aspredinidae: Pseudobunocephalinae. Distribution: South America: Amazon River basin (Bolivia, Brazil, Ecuador, Colombia and Peru). Habitat: freshwater.